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JQ實現彈幕效果，快來吐糟你的想法吧
代碼如下，復制即可使用：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>JQ實現彈幕效果</title>
<style type="text/css">
*{
padding: 0;
margin: 0;
}
#box{
height:700px;
width:1000px;
margin: 0 auto;
border:1px solid #000000;
position: relative;
}
#main{
width:100%;
height:605px;
position: relative;
overflow: hidden;
}
p{
position: absolute;
left:1000px;
width:200px;
top:0;
}
#bottom{
width:100%;
height:80px;
background: #ABCDEF;
text-align: center;
padding-top: 15px;
position: absolute;
left: 0;
bottom: 0;
}
#txt{
width:300px;
height:50px;
}
#btn{
width:100px;
height:50px;
}
</style>
</head>
<body>
<div id="box">
<div id="main">
</div>
<div id="bottom">
<input type="text" id="txt" placeholder="請輸入內容" />
<input type="button" id="btn" value="發射" />
</div>
</div>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
<script type="text/javascript">
$(function(){
var pageH=parseInt($("#main").height());
var colorArr=["#cfaf12","#12af01","#981234","#adefsa","#db6be4","#f5264c","#d34a74"];
$("#btn").bind("click",auto);
document.onkeydown=function(e){
if(e.keyCode == 13){
auto();
}
};
function auto(){
var $value = $("#txt").val();
$("#main").append("<p>" + $value + "</p>");
$("#txt").val("");
var _top=parseInt(pageH*(Math.random()));
var num=parseInt(colorArr.length*(Math.random()));
$("p:last-child").css({"top":_top,"color":colorArr[num],"font-size":"20px"});
$("p:last-child").animate({"left":"-200px"},10000);
$("p:last-child").stop().animate({"left":"-300px"},10000,"linear",function(){
$(this).remove();
});
//console.log($value);
};
})
</script>
</body>
</html>
實例擴展：
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
html, body {
margin: 0px;
padding: 0px;
width: 100%;
height: 100%;
font-family: "微軟雅黑";
font-size: 62.5%;
}
.boxDom {
width: 100%;
height: 100%;
position: relative;
overflow: hidden;
}
.idDom {
width: 100%;
height: 10%;
background: #666;
position: fixed;
bottom: 0px;
}
.content {
display: inline-block;
width: 460px;
height: 40px;
position: absolute;
left: 0px;
right: 0px;
top: 0px;
bottom: 0px;
margin: auto;
}
.title {
display: inline;
font-size: 4em;
vertical-align: bottom;
color: #fff;
}
.text {
border: none;
width: 300px;
height: 30px;
border-radius: 5px;
font-size: 2.4em;
}
.btn {
width: 60px;
height: 30px;
background: #f90000;
border: none;
color: #fff;
font-size: 2.4em;
}
span {
height: 40px;
position: absolute;
overflow: hidden;
color: #000;
font-size: 4em;
line-height: 1.5em;
cursor: pointer;
white-space: nowrap;
}
#boxDom video{
width: 80%;
height: 90%;
float: left;
}
#boxDom .list-info{
width: 20%;
height: 90%;
float: left;
background-color: #666;
overflow-y: auto;
overflow-x: hidden;
position: relative;
z-index: 999;
}
.list-info p{
font-size: 15px;
line-height: 20px;
border-bottom: 1px dashed #ccc;
text-indent: 2em;
color: #fff;
}
</style>
</head>
<body>
<div class="boxDom" id="boxDom">
<video controls="controls" src="movie/10_2fdd2bbcd15c68497744f07d4527cef2_3.mp4"></video>
<div class="list-info"> </div>
<div class="idDom" id="idDom">
<div class="content">
<p class="title">吐槽:</p>
<input type="text" class="text" id="text"/>
<button type="button" class="btn" id="btn">發射</button>
</div>
</div>
</div>
<script src="js/jquery-1.12.4.js"></script>
<script>
//生成隨機顏色
var randomColor=function(){
var r= Math.floor(Math.random()*257);
var g= Math.floor(Math.random()*257);
var b= Math.floor(Math.random()*257);
return "rgb("+r+","+g+","+b+")";
}
//定義數組保存彈幕
var saveDan=[],index=0,tm;
//彈幕自動移動方法
var autoAnimate=function(){
index++;
index>saveDan.length-1 && (index=0);
saveDan[index].appendTo($("#boxDom")).animate({
"right":$(document).width(),
},10000,function () {
$(this).css("right",$(".list-info").width()-$(this).width()).remove();
});
}
//點擊創建彈幕
$("#btn").click(function () {
var txt=$("#text");
var randomTop=Math.floor(Math.random()*($("#boxDom video").height()-40));
if(txt.val().trim().length==0)return;
var span= $("<span></span>").text(txt.val()).css({
"color":randomColor(),
"top":randomTop,
"right":$(".list-info").width(),
"z-index":888
});
saveDan.unshift(span);//將新的彈幕添加到數組內容的前面
//添加彈幕列表
$("<p></p>").text(txt.val()).css("color",randomColor()).prependTo($(".list-info"));
txt.val("");//清空文本框
//自動跑起來
clearInterval(tm);
index=saveDan.length-1
tm=setInterval(autoAnimate,1000);
});
//enter鍵確認發送
$(document).keydown(function (e) {
var e=e||window.event;
e.keyCode==13 && ($("#btn").click());
});
</script>
</body>
</html>
到此這篇關于jquery實現直播視頻彈幕效果的文章就介紹到這了,更多相關JQ實現彈幕效果內容請搜索億速云以前的文章或繼續瀏覽下面的相關文章希望大家以后多多支持億速云！
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